CVE-2024-57261
📋 TL;DR
This CVE describes an integer overflow vulnerability in barebox's memory allocation function request2size. Attackers could exploit this to cause heap corruption, potentially leading to arbitrary code execution or denial of service. Systems running barebox versions before 2025.01.0 are affected.
💻 Affected Systems
- barebox
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, allowing attackers to execute arbitrary code with barebox privileges.
Likely Case
Denial of service through system crash or instability, potentially requiring physical intervention to recover.
If Mitigated
Limited impact if system has memory protection features enabled, but still vulnerable to crashes.
🎯 Exploit Status
Exploitation requires triggering specific memory allocation patterns to cause integer overflow. Similar to CVE-2024-57258.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2025.01.0
Vendor Advisory: https://lists.infradead.org/pipermail/barebox/2024-November/048631.html
Restart Required: No
Instructions:
1. Update barebox to version 2025.01.0 or later. 2. Apply commit 7cf25e0733f08f68d1bf0ca0c3cf6e2dfe51bd3c if building from source. 3. Rebuild and flash the bootloader to affected devices.
🔧 Temporary Workarounds
Memory allocator replacement
allReplace dlmalloc with alternative memory allocator if supported
Modify barebox configuration to use different allocator
🧯 If You Can't Patch
- Restrict physical and network access to affected devices
- Implement strict input validation for any interfaces that could trigger memory allocations
🔍 How to Verify
Check if Vulnerable:
Check barebox version with 'barebox -v' or examine bootloader version during system startupCheck Version:
barebox -vVerify Fix Applied:
Verify barebox version is 2025.01.0 or later, or check for commit 7cf25e0733f08f68d1bf0ca0c3cf6e2dfe51bd3c in source📡 Detection & Monitoring
Log Indicators:
- Unexpected system reboots
- Memory allocation failures in bootloader logs
- Kernel panic during boot
Network Indicators:
- Unusual network boot requests
- Malformed PXE/TFTP packets targeting bootloader
SIEM Query:
source="barebox" AND ("panic" OR "allocation failed" OR "reboot")